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is there a diff. b/w ata and ide cable?

Discussion in 'Hardware' started by ubamous3, Oct 11, 2003.

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  1. ubamous3

    ubamous3 Thread Starter

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    is there a difference between ultra ata connection cable and just regular ide cable?

    my computer has 5 HD's so the case is kinda big, and the ultra ata cable that came with the 160gig HD is too short to reach, so my consultant bought a longer ide cable, but when she connects with the ide cable, it doesnt see that HD; so i wonder if they r diff. technology or what the cause might be.

    thanks.
     
  2. moebius

    moebius

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    u are most probably connecting a u-ata and an ata drive on the same ide channel. this usually causes problems. try connecting the 160gig alone.if ur hard-drive is serial ata then u need to connect it to a seperate port and enable serial ata from the bios or motherboard/jumpers
     
  3. JohnWill

    JohnWill Retired Moderator

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    There are basically two varieties of flat IDE cables, 40 conductor and 80 conductor. Your Ultra ATA cable is most certainly the 80 conductor cable, and the longer one is probably a 40 conductor cable.

    It's pretty easy to identify which is which, just look at the cable, you can see the finer pitch of the 80 conductors clearly on the shorter cable.

    Since the 80 conductor cables normally also support CS (cable select), and many of the 40 conductor cables don't, that's another reason the drive won't be seen.

    Don't use the 40 conductor cable for hard disks, unless you want to sacrifice a huge amount of performance. You can buy longer 80 conductor cables, do a search on www.pricewatch.com
     
  4. MysticEyes

    MysticEyes Banned

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    Sounds like you need a new consultant, using the proper cables to hook up a HD is pretty basic stuff. 80 wire cables have colored ends (usually blue for the mobo), while 40 wires are just grey.
     
  5. pronute

    pronute

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    Most large volume hard drives manufacturer recommends not using long cable length because of low signal strength, you should think about moving the hard drive closer to the IDE connecters on the Motherboard and use the provided cable.
     
  6. JohnWill

    JohnWill Retired Moderator

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    FWIW, I've had no difficulties with a 24" 80 conductor cable instead of the 18" standard length one on a variety of systems. In many tower cases, it's not possible to move all the IDE devices that close to the IDE connectors...
     
  7. ubamous3

    ubamous3 Thread Starter

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    thanks guys; that's what i thought when she bought the ide cable
     
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